The art of Breaking Wind into your hand, containing it in your clenched fist and then releasing it under an unsuspecting by passers nose. Boff Skoff's are normally only carried out when the person who is releasing the Boff Skoff knows that it will be of the smelliest type, Thus causing the Boff Skoffer ( The person who smells or inhales it ) to Flinch, Shout, Scream or Vomit etc.......

Q) Why is Leroy vomiting ? A) Christopher has justcaught him with a Boff Skoff !!